A walk through mathematics! 

A film for a wide audience! 

Nine chapters, two hours of maths, that take you gradually up to the fourth dimension. Mathematical vertigo guaranteed! Background information on every chapter: see "Details".

Click on the image on the left to watch the trailer ! (turn your speakers on please).

Free download and you can watch the films online! (new!)

The film can also be ordered as a DVD.

This film is being distributed under a Creative Commons license. More details on the download page.

Commentary in Arabic, English, French and Spanish.
Subtitles in Arabic, Dutch, Chinese, English, French, German, Hebrew, Italian, Japanese, Portuguese, Spanish and Russian.

Film produced by:
Jos Leys (Graphics and animations)
Étienne Ghys (Scenario et mathematics)
Aurélien Alvarez (Realisation and post-production).         *